Trail Running calendar near Los Angeles 2025-2026

The Sean O'Brien event, taking place in Calabasas, CA, offers a range of challenging trail races including 100K, 50 Mile, 50K, Marathon (26.2 miles), and 30K on January 25, 2025. This event is notable as the 100K serves as a qualifier for the prestigious Western States 100. Participants can expect s..

The Mt. Hollywood 12K Trail Run Hike is an exciting outdoor event taking place in Griffith Park, Los Angeles, featuring multiple race options including a 12K trail run, an 8K run, a 5K challenge, and a kid's 2.2K run. Participants can enjoy stunning views of the Hollywood Sign, Griffith Observatory,..

The Griffith Park Trail Marathon is a celebrated running event taking place in Los Angeles, California, featuring multiple race distances including a 50K, marathon, 30K, half marathon, and 10K. This year marks the 15th anniversary of the "Spring Edition," promising an exciting experience for partici..

The Catalina Island Marathon, taking place on March 8, 2025, is a celebrated running event featuring a marathon, 10K, and 5K races. Known as California's oldest trail marathon, it offers participants stunning views and breathtaking trails across Catalina Island. The event promotes sustainability wit..

The OC Trail Runners Group Run is a free, social, and non-competitive event taking place at El Moro and Laguna Coast Wilderness Park in Newport Beach. Participants can enjoy a scenic 7.5-mile trail run with approximately 1100 feet of vertical gain, featuring various routes each time. The event empha..

The Singletrack Stampede is an exciting cross-country running event featuring 10K and 22K distances, designed for runners of all skill levels. Set in the scenic Las Virgenes Canyon Valley, participants navigate through twists, turns, and challenging switchbacks along the Millennium Loop Trail. The e..

The Nine Trails 35 Mile Endurance Run is a challenging trail running event held in Santa Barbara, California. This demanding course features over 10,000 feet of elevation gain and descent, making it comparable to a tough 50-mile run. Participants will navigate steep, rocky trails with limited suppor..

The Gabrielino 50K is a challenging trail running event scheduled for March 15, 2025, designed for ultrarunners seeking a low-key endurance experience. The course, limited to 15 participants, starts at Lizzie's Tavern in Sierra Madre and includes a climb to Mt. Wilson, followed by a descent to the G..

The VALENCIA Trail Race, scheduled for March 22, 2025, offers an exciting opportunity for runners to experience the stunning trails and challenging hills of Valencia, California. Participants can choose from three race distances: a 50K Ultra, a Half Marathon, and a 10K. The course features singletra..

The Pasadena Trail Running Challenge, organized by Pasadena Running Company, is a series of trail running events set to kick off in 2025. Participants can choose between two distances: a 5-mile and a 10-mile challenge, both designed to explore the scenic trails of Pasadena and the surrounding Angele..

The Bedrock Valley Trail Runs is an exciting trail running event taking place in Hemet, California, on April 5-6, 2025. This family-friendly event features a variety of races, including a Trail Marathon, Half Marathon, 15k, 5k, and a special 1 Mile Kid's Fun Run. Participants can also enjoy a Gravel..

The Rock It in El Moro Canyon 6K & 10 Miler, presented by Fitness on Fire, is an exciting trail running event set in the scenic El Moro Canyon, Laguna Beach, CA. Participants can choose between a 6K or a 10-mile course, featuring challenging climbs and breathtaking views of the Pacific Ocean. The ev..

The Nature Made Great Race is an annual running event held in Agoura Hills, California, featuring a variety of races including the Chesebro Half Marathon, Deena Kastor 5K, Old Agoura 10K, 15K Combo, and the Cronies Triple Stack Challenge. Celebrating its 40th anniversary on April 5, 2025, this event..

The Point Mugu Trail Run is an exciting springtime event held at Point Mugu State Park, featuring a challenging Half-Marathon and a scenic 10k trail race. The course begins at the Ray Miller Trail, showcasing stunning ocean views and a mix of ascents and descents, including a demanding climb on the..

The Billy Goat Half Marathon Climb is an exciting running event taking place in Temescal Valley, California, within the Cleveland National Forest. Scheduled for April 5, 2025, participants can choose between a challenging half marathon and a 10K race, both featuring significant elevation gains of ap..

The Leona Divide is a premier running event taking place in Lake Hughes, California, featuring multiple race distances including 100 miles, 100 kilometers, 50 miles, 50 kilometers, and 30 kilometers. Scheduled for April 12, 2025, this event serves as a qualifier for the prestigious Western States 10..

The Machete Trail Madness 100K is a challenging ultramarathon event taking place on April 12, 2025, at Lake Perris, California. Participants can choose from three distances: 100K, 50K, and 10K, with the 100K course featuring a tough 10-mile loop and a total elevation gain of 2,300 feet per lap. The..

The Las Virgenes Canyon Trail Races, taking place on April 26, 2025, in Southern California, offers a variety of distances including 6K, 12K, 30K, 54K, and 84K. This event, formerly known as the Ahmanson Ranch Trail Races, is organized by Anytime Runners, LLC, and promises a scenic and challenging e..

The Saddleback Marathon, scheduled for April 26, 2025, takes place in Black Star Canyon, Silverado, CA. This challenging trail marathon, which has a rich history dating back to 1988, features a full marathon, half marathon, and 10K race. Participants can expect significant elevation gains, with the..

The Aut2Run for Autism is a running event scheduled for April 27, 2025, featuring multiple race options including a 15K, 10K, 5K, 1-Mile, Fun-K, and a virtual race. This annual event supports the Autism Society of Ventura County, with all proceeds directed towards enhancing the lives of individuals..